Ulmic
/ˈʌl.mɪk/noun
Relating to ulmin, a dark, humus-like substance produced by the decay of plant matter, especially elm wood.
Did you know?Ulmic substances were historically associated with humus and decaying plant material, giving the word an unexpectedly shadowy connection to decomposition and the transformation of life into soil.
Etymological Timeline
Proto-Indo-European
PIE
*el-
“Elm tree; a reconstructed root associated with the elm.”
Ancient Latin
Latin
ulmus
“Elm tree.”
Medieval Latin
Latin
ulminum
“A substance associated with elm wood or plant decomposition.”
19th Century
Scientific English
ulmin
“A dark, amorphous substance formed from decaying vegetable matter.”
19th Century
English
ulmic
“Relating to ulmin or to substances derived from decaying plant material.”
Modern English
English
ulmic
“Relating to ulmin, humus-like organic matter, or historically to elm-derived material.”